KECIR: An Information Retrieval System for IR4QA Task.
Dongfeng CaiShengqiao KangYu BaiPeiyan WangPublished in: NTCIR (2010)
Keyphrases
- information retrieval systems
- information retrieval
- question answering
- query expansion
- retrieval effectiveness
- retrieval model
- document collections
- user queries
- passage retrieval
- inverted file
- relevance feedback
- retrieval systems
- question answering systems
- information access
- document indexing
- relevant documents
- interactive information retrieval
- retrieval quality
- xml retrieval
- retrieved documents
- collection selection
- structured documents
- information extraction
- relevance assessments
- music information retrieval
- text retrieval
- user modelling
- query terms
- multimedia